Finding the Fourth Proportional to 69,870.10, 104,483.25 and 51,892.28

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.10 : 104,483.25 = 51,892.28 : x
2. Step 2: Convert to fraction form
   69,870.10/104,483.25 = 51,892.28/x
3. Step 3: Cross multiply
   69,870.10x = 104,483.25 × 51,892.28
4. Step 4: Simplify right side
   69,870.10x = 5,421,874,064.31
5. Step 5: Solve for x
   x = 5,421,874,064.31/69,870.10
6. Step 6: Final answer
   x = 77,599.35